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    • 91. 发明申请
    • Structures With Negative Index Of Refraction
    • 具有负折射率的结构
    • US20070215843A1
    • 2007-09-20
    • US11559562
    • 2006-11-14
    • Costas SoukoulisJiangfeng ZhouThomas KoschnyLei ZhangGary Tuttle
    • Costas SoukoulisJiangfeng ZhouThomas KoschnyLei ZhangGary Tuttle
    • H01B3/24
    • G02B6/122B82Y20/00G02B1/007
    • The invention provides simplified negative index materials (NIMs) using wire-pair structures, 4-gap single ring split-ring resonator (SRR), fishnet structures and overleaf capacitor SRR. In the wire-pair arrangement, a pair of short parallel wires and continuous wires are used. In the 4-gap single-ring SRR, the SRRs are centered on the faces of a cubic unit cell combined with a continuous wire type resonator. Combining both elements creates a frequency band where the metamaterial is transparent with simultaneously negative ε and μ. In the fishnet structure, a metallic mesh on both sides of the dielectric spacer is used. The overleaf capacitor SRR changes the gap capacities to small plate capacitors by making the sections of the SRR ring overlap at the gaps separated by a thin dielectric film. This technique is applicable to conventional SRR gaps but it best deploys for the 4-gap single-ring structures.
    • 本发明使用线对结构,4-间隙单环分裂环谐振器(SRR),鱼网结构和外置电容器SRR提供简化的负指数材料(NIM)。 在线对配置中,使用一对短平行线和连续线。 在4间隙单环SRR中,SRR以与连续线型谐振器结合的立方单位电池的面为中心。 组合两个元素创建一个频带,其中超材料是透明的,同时具有负的ε和μ。 在鱼网结构中,使用介电隔离物两侧的金属网。 通过使SRR环的部分在由薄电介质膜分隔开的间隙处重叠,上层电容器SRR将间隙容量改变为小板电容器。 这种技术适用于传统的SRR间隙,但它最适合用于4间隙单环结构。
    • 94. 发明申请
    • Method and apparatus for modifying an electromagnetic radiation beam
    • 用于修改电磁辐射束的方法和装置
    • US20070065068A1
    • 2007-03-22
    • US11230159
    • 2005-09-19
    • Shih-Yuan Wang
    • Shih-Yuan Wang
    • G02F1/295G02F1/01G02F1/035
    • G02F1/29B82Y20/00G02B1/007G02F2202/32
    • Devices and methods for modifying an electromagnetic beam include a tunable refractive medium, an input waveguide configured for directing an incident radiation to the tunable refractive medium, and at least one output waveguide configured for directing a focused radiation emanating from the tunable refractive medium. The tunable refractive medium comprises first electrodes coupled to a first surface of a periodic dielectric medium, and second electrodes coupled to a second surface of the periodic dielectric medium. The periodic dielectric medium includes a dielectric periodicity configured for providing a negative refraction of the incident radiation and focusing the focused radiation at a focal location. The focal location may be modified by at least one electromagnetic signal applied between the first electrodes and the second electrodes.
    • 用于修改电磁波束的装置和方法包括可调谐折射介质,被配置用于将入射辐射引导到可调谐折射介质的输入波导以及被配置为引导从可调谐折射介质发射的聚焦辐射的至少一个输出波导。 可调谐折射介质包括耦合到周期性电介质的第一表面的第一电极和耦合到周期性电介质的第二表面的第二电极。 周期性介电介质包括介质周期性,其配置用于提供入射辐射的负折射并将聚焦辐射聚焦在焦点位置。 可以通过施加在第一电极和第二电极之间的至少一个电磁信号来修改焦点位置。
    • 96. 发明申请
    • Negative refractive index and opto-magnetic materials and method of fabricating same
    • 负折射率和光磁材料及其制造方法
    • US20050221128A1
    • 2005-10-06
    • US11024038
    • 2004-12-29
    • Vladimir Kochergin
    • Vladimir Kochergin
    • G02B6/122G11B5/64
    • G02B6/1225B82Y20/00G02B1/007G02F2202/30
    • One-dimensional, two-dimensional and three-dimensional negative refractive index (NRI) and/or opto-magnetic materials operating in spectral ranges spanning from the visible to far IR wavelength ranges is disclosed. Said materials are comprised of metal or metal/dielectric wire pairs arranged in a number of sublattices (one for one dimensional material, two for two-dimensional and three or more for three dimensional material), such that in each lattice, said wire pairs are essentially parallel to each other. Such a materials are useful and practical in obtaining previously unachievable important optical functions in these spectral ranges. Such optical properties are highly desired for many applications. A practical means of manufacture that is compatible with cost-effective and large-scale production methods is also provided.
    • 公开了在从可见光范围到远的IR波长范围的光谱范围内工作的一维,二维和三维负折射率(NRI)和/或光磁材料。 所述材料由布置在多个子晶格中的金属或金属/电介质线组成(一个材料一个,二维二维三维材料三个或三个以上),使得在每个晶格中,所述线对是 基本上彼此平行。 这样的材料在获得这些光谱范围中以前不可实现的重要光学功能方面是有用和实用的。 这种光学性质对于许多应用是非常需要的。 还提供了与成本效益和大规模生产方法兼容的实用的制造方法。